Was There Life on Mars? Crater Clues

Source: LBNL TABL

ESD scientist Bill Dietrich explores the possibility of past life on Mars, noting that debris flows on Earth are able to carry boulders—as well as logs, cars, and even buildings—for very long distances. Martian gullies also culminate in lobe-like fans of eroded material, which are characteristic of debris-flow gullies on Earth.

To read more, go to:

http://sciencereview.berkeley.edu/read/fall-2012/crater-clues/